<html>

<body>
<h1>Title</h1>
<div id="main" class="test">
    <div id="parent" class="parent">
        <div id="child" class="child"></div>
    </div>
    <p>Hello <em>world</em>!</p>
</div>
<div class="nav-logo">
    <a href="https:&#47;&#47;movie.douban.com">豆瓣电影</a>
</div>
<div class="nav-search">
    <form action="https:&#47;&#47;movie.douban.com/subject_search" method="get">
        <fieldset>
            <legend>搜索：</legend>
            <label for="inp-query"></label>
        </fieldset>
    </form>
</div>
</body>

</html>
